UCC28C43DGK

DC DC Switching Controllers Overview

The UCC28C43DGK is a BiCMOS low-power current-mode PWM controller manufactured by Texas Instruments. It operates within a supply voltage range of 7.6 V to 18 V and supports switching frequencies up to 1 MHz. The device features an 8-pin SOIC package and delivers an output drive current of 1 A. It accommodates maximum duty cycles of 100% and functions across a temperature range from -40°C to +125°C. With a quiescent operating current of 2.3 mA, it is designed for efficient power management in various AC/DC conversion topologies.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including Boost, Buck, Buck-Boost, Flyback, and Forward configurations
• Provides high peak output drive capability of 1 A for efficient gate driving
• Features adjustable switching frequency up to 1 MHz for optimized design flexibility
• Enables continuous conduction mode operation with 100% maximum duty cycle

DC DC Switching Controllers Applications

• Industrial power supply systems
• Automotive electronics applications
• Battery charger designs
• General-purpose DC-DC converters

DC DC Switching Controllers Procurement Notes

Verify the specific ordering suffix DGK corresponds to the VSSOP-8 package variant when sourcing components. Confirm that the requested units meet the required industrial temperature grade specifications ranging from -40°C to +125°C. Ensure compatibility with the intended PCB layout constraints associated with the small outline package dimensions provided in the official datasheet documentation.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring high peak drive current and wide input voltage ranges. Consider the VSSOP-8 package for space-constrained layouts compared to standard SOIC options. Evaluate the 1 MHz switching frequency capability against electromagnetic interference requirements. Verify thermal performance needs within the specified operating temperature range for reliable long-term operation.

DC DC Switching Controllers Part Context

This part belongs to the UCC28C43 series of low-power current-mode PWM controllers. It serves as an enhanced version of legacy UC2843 devices, offering improved performance characteristics. The series is widely utilized in power management integrated circuits for converting electrical energy efficiently across various industrial and automotive platforms.

DC DC Switching Controllers Replacement Considerations

The UC2843AD8TRG4 is a documented alternative within the manufacturer's portfolio. Verify pinout compatibility and electrical parameter alignment before substitution.